CN207308748U - The insert and hot forming tool of a kind of hot forming tool - Google Patents
The insert and hot forming tool of a kind of hot forming tool Download PDFInfo
- Publication number
- CN207308748U CN207308748U CN201720941472.6U CN201720941472U CN207308748U CN 207308748 U CN207308748 U CN 207308748U CN 201720941472 U CN201720941472 U CN 201720941472U CN 207308748 U CN207308748 U CN 207308748U
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- insert
- plate
- forming tool
- punch
- hot forming
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Abstract
The utility model provides the insert and hot forming tool of a kind of hot forming tool, the utility model is initiative to change insert internal structure, cooling chamber is provided with inside insert, and cooling chamber has the cooling wall being adapted with insert forming surface, make cooling wall equal to the distance of forming surface at the same time, by above-mentioned setting, flow, flow velocity and pressure that medium is cooled down in cooling chamber increase at the same time, improve quenching efficiency of the insert to hot rolled sheet；The cooling wall of cooling chamber is equal to the distance of insert forming surface in addition, which thereby enhance the uniformity that insert cools down hot rolled sheet, so that steel plate can keep the mechanical property at each position consistent in punching course, so as to avoid steel stamping part crooked position be also easy to produce rebound so that influence steel stamping part intensity and formed precision the defects of, it it also avoid the defects of cracking and necking down easily occur for steel stamping part at the same time, improve the mechanical performance of steel stamping part.
Description
Technical field
The utility model belongs to molding die technical field, and in particular to the insert and thermoforming mould of a kind of hot forming tool
Tool.
Background technology
Due to the fast development of auto industry, the application of automotive light weight technology and high-strength steel is increasingly becoming developing direction, makes
Vehicle body parts and reinforcer are manufactured with high-strength steel sheet, the intensity of bodywork component can be significantly improved, strengthen car crass
Security performance, while the usage amount of parts material can also be reduced, car body weight is reduced, so as to fulfill automotive light weight technology.Using
During traditional cold punching technology, since the raising of armor plate strength causes its processability to reduce, rebound is serious, dimension control
Difficulty, therefore can not meet the processing technology requirement of high-strength steel sheet, particularly with intensity more than 1000MPa and geometry compared with
Complicated part, traditional cold punching technology can not almost be molded part.Heat stamping and shaping technology is a kind of special use
In the forming method of manufacture high-strength steel plate stamping part, its cardinal principle is that steel stamping part is previously heated to austenitizing temperature
More than degree, then rapid shaping quenches at the same time in a mold, to obtain the high-strength steel member with uniform martensitic structure.Cause
This, heat stamping and shaping technology is increasingly becoming the research and development focus of auto industry.
Hot stamping die has shaping and Cooling Quenching function concurrently, is the key for determining heat stamping and shaping technology success or failure.For example,
Chinese patent literature CN104998967A discloses the thermoforming control mould and control method of a kind of formation of martensite completely, described
Control mould include upper die component, lower mold assemblies, bullet top system and cooling system, wherein, upper die component including upper die plate,
Upper mold seat and splicing cavity plate, lower mold assemblies include lower mold backing plate, die holder and forming convax mould, and bullet top system is separately positioned on upper mold
On backing plate and lower mold backing plate, cooling system, which is arranged on upper die component, is either arranged on upper die component on lower mold assemblies or at the same time
On lower mold assemblies, and cooling system is specially cooling water channel, and above-mentioned technology is realized pair using the cooling water in cooling water channel
The Cooling Quenching processing of steel stamping part, and the Cooling Quenching processing time using above-mentioned thermoforming control mould to hot rolled sheet
For 11~15s.
But, on the one hand, the steel stamping part through above-mentioned thermoforming control mold manufacturing is also easy to produce rebound in crooked position,
And then influence the intensity and formed precision of steel stamping part；On the other hand, during punch forming, steel stamping part easily occurs
Cracking and necking down, have impact on the security and mechanical performance of steel stamping part in use；In addition, above-mentioned molding control mould
Tool mainly processes the cooling system of hot stamping die by drilling, therefore mould structure and cooling system all receive processing side
The limitation of formula, if above-mentioned mould to be used for the curved surface of forming shape complexity, because there is tortuous variability in the mould of curve form,
It is difficult to complete using the complex-curved cooling system of Drilling operation.
Therefore, how existing thermoforming control mould is improved to overcome above-mentioned deficiency, this is for this area skill
It is a technical barrier urgently to be resolved hurrily for art personnel.
The content of the invention
The technical problem to be solved by the utility model is to overcome thermoforming of the prior art to control mould in punching press
Forming process light plate stamping parts easily occurs cracking, necking down, is also easy to produce rebound in crooked position, and is limited water by processing method
Not the defects of road formula cooling system does not apply to complex-curved mould, and then a kind of insert and thermoforming mould of hot forming tool are provided
Tool.
The technical scheme in the invention for solving the above technical problem is：
A kind of insert of hot forming tool, including,
Cooling chamber, at least has the cooling wall that is adapted with the forming surface of the insert, and the cooling wall is to described
The distance of forming surface is equal.
Bearing plate is further included, the bearing plate is arranged in the cooling chamber.
The cooling chamber is separated at least two cooling spaces by the bearing plate.
The through hole for connecting the cooling space is provided with the bearing plate.
The insert further includes insert backing plate, it is arranged on the bottom of cooling chamber and for sealing cooling chamber.
The distance of the cooling wall to the forming surface is 8~12mm, and the thickness of the bearing plate is 5~10mm.
The insert is punch insert or die plate insert.
A kind of hot forming tool, including,
Insert structure, is made of the punch insert and die plate insert that cooperate, and the insert structure includes at least one
The insert of above-mentioned hot forming tool.
Further include, eccentric swage, it is arranged between the die plate insert；
Upper die component, if including casting upper mold seat, the die plate insert installing plate that is arranged on the casting upper mold seat and by
The cavity plate that the dry die plate insert is formed, the cavity plate are installed on the die plate insert installing plate by positioning key；
Lower mold assemblies, if including casting die holder, the punch insert installing plate that is arranged on the casting die holder and by
The punch-pin that the dry punch insert is formed, the punch-pin are installed on the punch insert installing plate by positioning key；
Sealing ring, it is arranged between adjacent punch insert between adjacent die plate insert.
The upper die component further includes, pressure cylinder installing plate, pressure cylinder, pressure cylinder backing plate and eccentric swage installing plate, described
Pressure cylinder bottom is connected by pressure cylinder backing plate with being connected the eccentric swage installing plate of the eccentric swage, is passed through at the top of the pressure cylinder
Pressure cylinder installing plate is connected with the casting upper mold seat；
The lower mold assemblies further include, and local blank holder, blank holder casting seat, pressure cylinder, pressure cylinder backing plate, material holding type are fixed
Position away from formula lifting jack of following an example, the top of the pressure cylinder and be connected part blank holder blank holder casting seat be connected, the pressure
The bottom of power cylinder is connected by pressure cylinder backing plate with the punch insert installing plate；The material holding type spacer is outside the punch-pin
Edge is circumferentially set；The formula lifting jack of following an example is arranged on punch insert and it can be under the action of pressure cylinder by hot rolled sheet
Eject hot forming tool.
Forming surface refers to the face to fit with hot rolled sheet in the application, so that it is guaranteed that being molded hot pressing steel during mold clamping
Plate；Refer to that cooling wall is consistent with the forming surface shape of insert with the cooling wall that the forming surface of insert is adapted.
The above-mentioned technical proposal of the utility model has the following advantages that：
(1) insert of hot forming tool described in the utility model, it is initiative that insert internal structure is changed,
Cooling chamber is provided with inside insert, and cooling chamber has the cooling wall being adapted with insert forming surface, while make cooling wall
Face is equal to the distance of forming surface, and by above-mentioned setting, flow, flow velocity and pressure that medium is cooled down in cooling chamber increase at the same time,
First, the distance of water channel hole centre distance die surface in prior art water channel type cooling system can be avoided to be less than 1.5 times of water channels
The defects of quenching treatment could be realized during the standard of bore dia；Second, in addition the cooling wall of cooling chamber to insert forming surface
Distance it is equal, which thereby enhance the uniformity that insert cools down hot rolled sheet so that steel plate can be kept in punching course
The mechanical property at each position is consistent, is also easy to produce rebound in crooked position so as to avoid steel stamping part and then influences steel plate
The defects of intensity and formed precision of stamping parts, while the defects of cracking and necking down easily occur for steel stamping part is it also avoid, carry
The high mechanical performance of steel stamping part；Three, the hot forming tool formed using above-mentioned insert, due to cooling down the stream of medium
Amount, flow velocity and pressure increase at the same time, therefore improve quenching efficiency of the insert to hot rolled sheet.
Brief description of the drawings
, below will be to specific embodiment party in order to illustrate more clearly of the technical solution in the utility model embodiment
Attached drawing is briefly described needed in formula description, it should be apparent that, drawings in the following description are the utility model
Some embodiments, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the punch insert structure diagram for the hot forming tool that embodiment 1 provides；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the schematic diagram of the hot forming tool of the offer of embodiment 2 in the on-state；
Fig. 4 is the schematic diagram of the hot forming tool of the offer of embodiment 2 in closed state；
Wherein, reference numeral is as follows：
1- forming surfaces；2- cooling walls；3- bearing plates；4- through holes；9- punch inserts；10- die plate inserts；11- binders
Device；12- casting upper mold seats；13- die plate insert installing plates；14- positioning keys；15- casting die holders；16- punch insert installing plates；
17- pressure cylinder installing plates；18- pressure cylinders；19- pressure cylinder backing plates；20- eccentric swage installing plates；21- part blank holders；22- is pressed
Flange casting seat；23- hot rolled sheets；24- insert backing plates；25- water channel holes.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation, the orientation of the instruction such as term " interior ", " outer ", " on ", " under " in the description of the utility model
Or position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of description the utility model and simplification is retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that limitation to the utility model.In addition, term " connected ", " connection " should be interpreted broadly, for example, can be with
It is to be fixedly connected or be detachably connected, or is integrally connected；Can mechanically connect or be electrically connected；Can be with
It is to be connected directly, can also be indirectly connected by intermediary, can is the connection inside two elements.For the general of this area
For logical technical staff, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
Embodiment 1
Please referring also to Fig. 1 and Fig. 2, the insert of hot forming tool provided in this embodiment include,
Cooling chamber, the upper wall surface of the cooling chamber is cooling wall 2, it is adapted with the forming surface 1 of insert, and cooling wall
2 to forming surface 1 distance it is equal everywhere, be passed through in cooling chamber to hot rolled sheet carry out quenching treatment cooling medium；
Bearing plate 3, the bearing plate 3 are arranged in cooling chamber, according to actual needs, can select appropriate number of bearing plate
3, as shown in Figure 1, the number of bearing plate 3 is 1, cooling chamber is separated into two cooling spaces by it, and the bearing plate 3 of setting can increase
The structural strength of strong insert, is additionally provided with the through hole 4 of connection above-mentioned two cooling space on bearing plate 3, according to actual needs,
Appropriate number of through hole 4 can be selected, as shown in Fig. 2, the number of through hole 4 is 2, can be realized by the through hole 4 of setting above-mentioned
Circulating for medium is cooled down in two cooling spaces.In the present embodiment, it is specially cooling water to cool down medium；
Insert backing plate 24, it is arranged on the bottom of cooling chamber, fits with the lower wall surface of cooling chamber, to seal cooling
Chamber, thus can realize quick flowing of the cooling water in cooling chamber.
According to actual needs, the distance that can select cooling wall 2 to forming surface 1 is 10mm, and the thickness of bearing plate 3 is
7mm, in other embodiments, can select any number of the cooling wall 2 to the distance of forming surface 1 between 8~12mm, hold
Any number of the thickness of pressing plate 3 between 5~10mm.
Insert provided in this embodiment is specially punch insert, and as alternative embodiment, above-mentioned insert can also
For die plate insert.
The insert of hot forming tool provided in this embodiment, is provided with the cold of cooling chamber cooling chamber in addition inside insert
But wall 2 is equal to the distance of insert forming surface 1, and above-mentioned setting causes flow, flow velocity and the pressure that medium is cooled down in cooling chamber
Increase at the same time, first, the distance of water channel hole centre distance die surface in prior art water channel type cooling system can be avoided little
The defects of could realizing quenching treatment when the standard of 1.5 times of water channel bore dias；Second, insert is improved to cool down hot rolled sheet
Uniformity so that steel plate can keep the mechanical property at each position consistent in punching course, so as to avoid steel plate
Stamping parts while is also avoided crooked position is also easy to produce rebound and then influences the intensity and formed precision of steel stamping part the defects of
The defects of cracking and necking down, easily occurs for steel stamping part；Three, the hot forming tool formed using above-mentioned insert, due to cooling
Flow, flow velocity and the pressure of medium increase at the same time, therefore improve quenching efficiency of the insert to hot rolled sheet.
Embodiment 2
Please referring also to Fig. 3 and Fig. 4, hot forming tool provided in this embodiment include,
Insert structure, is made of the punch insert 9 and die plate insert 10 that cooperate, in the present embodiment, punch insert 9
The insert of the hot forming tool provided using embodiment 1, die plate insert 10 is using water channel type of the prior art as shown in Figure 4
The insert of cooling system, i.e., by drilling come the cooling system of processing mold inside insert, in the duct formed after piercing
Cooling water is added to carry out quenching treatment to hot rolled sheet.
As alternative embodiment, the die plate insert uses the insert structure that the application provides, and punch insert is adopted
With the insert of water channel type cooling system of the prior art；
Further, as alternative embodiment, to further improve cooling effect, it is ensured that be molded the property of curved surface
Can, the insert structure that die plate insert and punch insert are provided using the application.
Eccentric swage 11, it is arranged between adjacent die plate insert 10, and eccentric swage is processed by drilling inside eccentric swage
Cooling system, add in the duct formed after piercing cooling water to carry out quenching treatment to hot rolled sheet.
Upper die component, including casting upper mold seat 12, the die plate insert installing plate 13 that is arranged on casting upper mold seat 12 and by
The cavity plate that some die plate inserts (10) are formed, cavity plate are installed on die plate insert installing plate 13 by positioning key 14；Upper die component
Pressure cylinder installing plate 17, pressure cylinder 18, pressure cylinder backing plate 19 and eccentric swage installing plate 20 are further included, 18 bottom of pressure cylinder passes through pressure
Power cylinder backing plate 19 is connected with being connected the eccentric swage installing plate 20 of eccentric swage 11, and the top of pressure cylinder 18 passes through pressure cylinder installing plate 17
It is connected with casting upper mold seat 12；
Lower mold assemblies, including casting die holder 15, the punch insert installing plate 16 that is arranged on casting die holder 15 and by
The punch-pin that some punch inserts 9 are formed, punch-pin are installed on punch insert installing plate 16 by positioning key 14；Lower mold assemblies also wrap
Include local blank holder 21, blank holder casting seat 22, pressure cylinder 18, pressure cylinder backing plate 19, material holding type spacer and formula of following an example lifting
Device, the top of pressure cylinder 18 are connected with being connected the blank holder casting seat 22 of local blank holder 21, and the bottom of pressure cylinder 18 passes through pressure
Power cylinder backing plate 19 is connected with punch insert installing plate 16；Material holding type spacer is circumferentially set around punch-pin outer rim；Formula of following an example lifts
Device is arranged on punch insert 9 and hot rolled sheet 23 can be ejected hot forming tool by it under the action of pressure cylinder 18.
Sealing ring, it is arranged between adjacent punch insert 9 between adjacent die plate insert 10, can seal cooling water.
In the present embodiment, pressure cylinder is specially nitrogen cylinder, and in other embodiments, pressure cylinder can also be hydraulic cylinder.
The operation principle of hot forming tool provided by the utility model is：
(1) punching machine top shoe drives upper die component to push, and hot rolled sheet is compressed on punch insert by eccentric swage, lower film group
Local blank holder in part is in contact with hot rolled sheet, and the temperature using eccentric swage and local blank holder internal flow is 10~20
DEG C cooling water precompressed and quenching are carried out to hot rolled sheet；
(2) punching machine top shoe continues to push, and hot rolled sheet is fitted with cavity plate and punch-pin, utilizes die plate insert, punch-pin
The cooling medium of insert, eccentric swage and local blank holder internal flow carries out precompressed and quenching to hot rolled sheet；
(3) punching machine top shoe drive upper die component come downwards to molding, make hot rolled sheet be contracted to completely local blank holder with
It is interior, using the pressure and die plate insert of 600~1200T of lathe, punch insert, eccentric swage internal flow cooling medium to hot pressing
Steel plate carries out pressurize quenching treatment；
(4) punching machine top shoe drives upper die component uplink, and cavity plate departs from hot rolled sheet, work of the eccentric swage in pressure cylinder first
Continue pressure under on the steel plate；
(5) punching machine top shoe drives upper die component to continue uplink, and eccentric swage is separated with steel plate, the formula of following an example on punch insert
Steel plate is ejected die cavity by lifting jack under the action of pressure cylinder, obtains the steel stamping part.
Obviously, the above embodiments are merely examples for clarifying the description, and the restriction not to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (10)
- A kind of 1. insert of hot forming tool, it is characterised in that including,Cooling chamber, at least has the cooling wall (2) being adapted with the forming surface (1) of the insert, the cooling wall (2) is extremely The distance of the forming surface (1) is equal.
- 2. the insert of hot forming tool according to claim 1, it is characterised in that further include bearing plate (3), the pressure-bearing Plate (3) is arranged in the cooling chamber.
- 3. the insert of hot forming tool according to claim 2, it is characterised in that the bearing plate (3) is by the cooling Chamber is separated at least two cooling spaces.
- 4. the insert of hot forming tool according to claim 3, it is characterised in that the company of being provided with the bearing plate (3) Lead to the through hole (4) of the cooling space.
- 5. the insert of hot forming tool according to claim 4, it is characterised in that the insert further includes insert backing plate (24), it is arranged on the bottom of cooling chamber and for sealing cooling chamber.
- 6. the insert of hot forming tool according to claim 5, it is characterised in that the cooling wall (2) to it is described into The distance in type face (1) is 8~12mm, and the thickness of the bearing plate (3) is 5~10mm.
- 7. according to the insert of any hot forming tools of claim 1-6, it is characterised in that the insert is punch insert Or die plate insert.
- 8. a kind of hot forming tool, including,Insert structure, is made of, it is characterised in that the insert knot the punch insert (9) and die plate insert (10) that cooperate Structure includes at least the insert of claim 1-7 any one of them hot forming tool.
- 9. hot forming tool according to claim 8, it is characterised in that further include,Eccentric swage (11), it is arranged between the die plate insert (10)；Upper die component, including casting upper mold seat (12), the die plate insert installing plate that is arranged on the casting upper mold seat (12) (13) and by some die plate inserts (10) cavity plate formed, the cavity plate are installed on the female die embedding by positioning key (14) On block installing plate (13)；Lower mold assemblies, including casting die holder (15), the punch insert installing plate that is arranged on the casting die holder (15) (16) and by some punch inserts (9) punch-pin formed, the punch-pin are inlayed by positioning key (14) installed in the punch-pin On block installing plate (16)；Sealing ring, it is arranged between adjacent punch insert (9) between adjacent die plate insert (10).
- 10. hot forming tool according to claim 9, it is characterised in that the upper die component further includes, pressure cylinder installation Plate (17), pressure cylinder (18), pressure cylinder backing plate (19) and eccentric swage installing plate (20), pressure cylinder (18) bottom pass through pressure Cylinder backing plate (19) is connected with being connected the eccentric swage installing plate (20) of the eccentric swage (11), passes through pressure at the top of the pressure cylinder (18) Power cylinder installing plate (17) is connected with the casting upper mold seat (12)；The lower mold assemblies further include, local blank holder (21), blank holder casting seat (22), pressure cylinder (18), pressure cylinder backing plate (19), material holding type spacer and formula lifting jack of following an example, the top of the pressure cylinder (18) and the pressure for being connected local blank holder (21) Flange casting seat (22) is connected, and the bottom of the pressure cylinder (18) passes through pressure cylinder backing plate (19) and the punch insert installing plate (16) it is connected；The material holding type spacer is circumferentially set around the punch-pin outer rim；The formula lifting jack of following an example is arranged on punch-pin In insert (9) and hot rolled sheet (23) can be ejected hot forming tool by it under the action of pressure cylinder (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720941472.6U CN207308748U (en) | 2017-07-31 | 2017-07-31 | The insert and hot forming tool of a kind of hot forming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720941472.6U CN207308748U (en) | 2017-07-31 | 2017-07-31 | The insert and hot forming tool of a kind of hot forming tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207308748U true CN207308748U (en) | 2018-05-04 |
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ID=62433854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720941472.6U Expired - Fee Related CN207308748U (en) | 2017-07-31 | 2017-07-31 | The insert and hot forming tool of a kind of hot forming tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207308748U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413960A (en) * | 2017-07-31 | 2017-12-01 | 南京星乔威泰克汽车零部件有限公司 | The insert and eccentric swage and hot forming tool of a kind of hot forming tool |
| CN110961543A (en) * | 2019-12-20 | 2020-04-07 | 翟述基 | Comprehensive conveying and feeding equipment for high-strength steel plate stamping and hot forming production line |
| CN113825574A (en) * | 2019-05-14 | 2021-12-21 | 菲尔斯系统有限责任公司 | Machining unit and machining tool for machining a workpiece on a workpiece wall, and method for producing a machining unit of said type |
-
2017
- 2017-07-31 CN CN201720941472.6U patent/CN207308748U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413960A (en) * | 2017-07-31 | 2017-12-01 | 南京星乔威泰克汽车零部件有限公司 | The insert and eccentric swage and hot forming tool of a kind of hot forming tool |
| CN113825574A (en) * | 2019-05-14 | 2021-12-21 | 菲尔斯系统有限责任公司 | Machining unit and machining tool for machining a workpiece on a workpiece wall, and method for producing a machining unit of said type |
| CN110961543A (en) * | 2019-12-20 | 2020-04-07 | 翟述基 | Comprehensive conveying and feeding equipment for high-strength steel plate stamping and hot forming production line |
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Granted publication date: 20180504 |